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| author | Mahesh Rajashekhara <Mahesh.Rajashekhara@pmcs.com> | 2015-03-26 10:41:30 -0400 |
|---|---|---|
| committer | James Bottomley <JBottomley@Odin.com> | 2015-04-09 16:55:21 -0700 |
| commit | ef6162333a6910007c0ae2237e750ffd5bf25811 (patch) | |
| tree | 4c98934c82f74a61ff394aed1f16041129748e62 /drivers/scsi/aacraid/src.c | |
| parent | f9c4259678cbde854a4e94398d66ef379178fd7c (diff) | |
| download | linux-ef6162333a6910007c0ae2237e750ffd5bf25811.tar.gz linux-ef6162333a6910007c0ae2237e750ffd5bf25811.tar.bz2 linux-ef6162333a6910007c0ae2237e750ffd5bf25811.zip | |
aacraid: performance improvement changes
Signed-off-by: Mahesh Rajashekhara <Mahesh.Rajashekhara@pmcs.com>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Reviewed-by: Murthy Bhat <Murthy.Bhat@pmcs.com>
Signed-off-by: James Bottomley <JBottomley@Odin.com>
Diffstat (limited to 'drivers/scsi/aacraid/src.c')
| -rw-r--r-- | drivers/scsi/aacraid/src.c | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/drivers/scsi/aacraid/src.c b/drivers/scsi/aacraid/src.c index 4a963cd4a941..4596e9dd757c 100644 --- a/drivers/scsi/aacraid/src.c +++ b/drivers/scsi/aacraid/src.c @@ -444,15 +444,12 @@ static int aac_src_deliver_message(struct fib *fib) { struct aac_dev *dev = fib->dev; struct aac_queue *q = &dev->queues->queue[AdapNormCmdQueue]; - unsigned long qflags; u32 fibsize; dma_addr_t address; struct aac_fib_xporthdr *pFibX; u16 hdr_size = le16_to_cpu(fib->hw_fib_va->header.Size); - spin_lock_irqsave(q->lock, qflags); - q->numpending++; - spin_unlock_irqrestore(q->lock, qflags); + atomic_inc(&q->numpending); if (dev->msi_enabled && fib->hw_fib_va->header.Command != AifRequest && dev->max_msix > 1) { @@ -794,6 +791,7 @@ int aac_srcv_init(struct aac_dev *dev) int instance = dev->id; int i, j; const char *name = dev->name; + int cpu; dev->a_ops.adapter_ioremap = aac_srcv_ioremap; dev->a_ops.adapter_comm = aac_src_select_comm; @@ -911,6 +909,7 @@ int aac_srcv_init(struct aac_dev *dev) if (dev->msi_enabled) aac_src_access_devreg(dev, AAC_ENABLE_MSIX); if (!dev->sync_mode && dev->msi_enabled && dev->max_msix > 1) { + cpu = cpumask_first(cpu_online_mask); for (i = 0; i < dev->max_msix; i++) { dev->aac_msix[i].vector_no = i; dev->aac_msix[i].dev = dev; @@ -928,6 +927,13 @@ int aac_srcv_init(struct aac_dev *dev) pci_disable_msix(dev->pdev); goto error_iounmap; } + if (irq_set_affinity_hint( + dev->msixentry[i].vector, + get_cpu_mask(cpu))) { + printk(KERN_ERR "%s%d: Failed to set IRQ affinity for cpu %d\n", + name, instance, cpu); + } + cpu = cpumask_next(cpu, cpu_online_mask); } } else { dev->aac_msix[0].vector_no = 0; |